Method for determining the weight of an agricultural bale that compensates for un-level terrain and adjusting for the amount of wrapping material used
First Claim
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1. A method for determining the weight of an agricultural bale formed in a baler comprising the steps of:
- determining an empty baler tare weight (Wt) while the baler is on a level surface;
forming a bale in the baler;
determining a full baler weight of the baler and completed bale (Wf);
calculating a raw bale weight (Wr) wherein Wr=Wf−
Wt;
ejecting the bale from the baler and determining an empty baler weight (We);
calculating a cosine of an angle of a slope upon which the baler sits (COS A) wherein COS A=We/Wt;
calculating an actual bale weight (Wa) wherein Wa=Wr/COS A;
wherein Wt is adjusted to compensate for a reduction in a weight of wrapping material consumed in the formation of the bale, comprising the additional steps of;
determining a specific weight of a wrapping material (Wwrap) in one of unit weight per unit area for net/film and unit weight per unit length for twine;
determining a material width (Mw) if Wwrap is in unit weight per unit area;
determining a completed bale diameter (Bd);
determining a number of wraps (Nw) of wrapping material used on the bale;
calculating a weight of wrapping material consumed in the bale (Wn) wherein one of, Wn=Π
*Bd*Mw*Nw*Wwrap for net/film and Wn=Π
*Bd*Nw*Wwrap for twine; and
,calculating a new empty baler tare weight (Wt′
), wherein Wt′
=Wt−
Wn.
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Abstract
A method is provided for determining the weight of an agricultural bale that compensates for un-level terrain such as hillsides. The method uses an empty baler tare weight and a full baler weight to determine a raw bale weight. The cosine of the slope upon which the baler sits is then calculated based upon the empty baler weight as it sits and the empty baler tare weight. The cosine of the angle of slope and raw bale weight are the used to determine an actual bale weight. Further steps are provided for compensating in the tare weight of the baler for the weight of wrapping material consumed in the formation of each bale.
15 Citations
4 Claims
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1. A method for determining the weight of an agricultural bale formed in a baler comprising the steps of:
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determining an empty baler tare weight (Wt) while the baler is on a level surface; forming a bale in the baler; determining a full baler weight of the baler and completed bale (Wf); calculating a raw bale weight (Wr) wherein Wr=Wf−
Wt;ejecting the bale from the baler and determining an empty baler weight (We); calculating a cosine of an angle of a slope upon which the baler sits (COS A) wherein COS A=We/Wt; calculating an actual bale weight (Wa) wherein Wa=Wr/COS A; wherein Wt is adjusted to compensate for a reduction in a weight of wrapping material consumed in the formation of the bale, comprising the additional steps of; determining a specific weight of a wrapping material (Wwrap) in one of unit weight per unit area for net/film and unit weight per unit length for twine; determining a material width (Mw) if Wwrap is in unit weight per unit area; determining a completed bale diameter (Bd); determining a number of wraps (Nw) of wrapping material used on the bale; calculating a weight of wrapping material consumed in the bale (Wn) wherein one of, Wn=Π
*Bd*Mw*Nw*Wwrap for net/film and Wn=Π
*Bd*Nw*Wwrap for twine; and
,calculating a new empty baler tare weight (Wt′
), wherein Wt′
=Wt−
Wn. - View Dependent Claims (2, 3)
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4. A method for adjusting a tare weight of an agricultural baler to compensate for a reduction in a weight of wrapping material consumed in the formation of a bale comprising the steps of:
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determining an initial tare weight of an empty baler (Wt); determining a specific weight of a wrapping material (Wwrap) being used in the baler in one of unit weight per unit area for net/film and unit weight per unit length for twine; determining a material width (Mw) if Wwrap is in unit weight per unit area; determining a completed bale diameter (Bd); determining a number of wraps (Nw) of wrapping material used on the bale; calculating a weight of wrapping material consumed in the bale (Wn) wherein one of, Wn=Π
*Bd*Mw*Nw*Wwrap for net/film and Wn=Π
*Bd*Nw*Wwrap for twine;calculating a new empty baler tare weight (Wt′
), wherein Wt′
=Wt−
Wn; and
,adjusting Wt to equal Wt′
prior to a start of a new bale.
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Specification
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Current AssigneeDeere & Company
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Original AssigneeDeere & Company
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InventorsKraus, Timothy J.
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Primary Examiner(s)Gibson, Randy W
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Application NumberUS13/633,978Publication NumberTime in Patent Office1,133 DaysField of Search177/1, 177/136, 177/137, 535/02, 100/35, 100/48, 100/87, 100/88, 56/102.R, 702/101, 702/102, 73/11.3, 73/11.5US Class Current1/1CPC Class CodesA01F 15/0715 Wrapping the bale in the pr...A01F 15/0833 for round balersA01F 2015/0808 Balers incorporate an incli...A01F 2015/0891 Weighing the finished bale ...G01G 17/00 Apparatus for or methods of...G01G 23/01 Testing or calibrating of w...G01G 9/00 Methods of, or apparatus fo...
